A/T Control System: TCM

WARNING: This page is about a different car, the 2012 Infiniti M35h. However, it is still accessible from the selected car via links, so may be relevant.

The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The TCM controls the A/T.
The TCM is integral with the control valve assembly and built into the A/T assembly.
TCM transmits sub electric oil pump oil pressure command signal to sub electric oil pump inverter and secures necessary hydraulic pressure from sub electric oil pump, when necessary hydraulic pressure for transmission cannot be obtained during idling stop operation.